== sanity test 77a: normal checksum read/write operation ========================================================== 13:44:27 (1713289467) 8+0 records in 8+0 records out 8388608 bytes (8.4 MB) copied, 0.0904902 s, 92.7 MB/s 8+0 records in 8+0 records out 8388608 bytes (8.4 MB) copied, 0.299508 s, 28.0 MB/s